
<table>
   <tr>
      <td>
         <div style="border: 1px solid blue; background-color: #99CCFF; padding: 5px;">
            <a id="myHeader1" href="javascript:slideonlyone('newboxes1');" >slide this one only</a>
         </div>
         <div class="newboxes2" id="newboxes1" style="border: 1px solid black; background-color: #CCCCCC; display: block;padding: 5px;">Div #1</div>
      </td>
      <td>
         <div style="border: 1px solid blue; background-color: #99CCFF; padding: 5px;">
            <a id="myHeader2" href="javascript:slideonlyone('newboxes2');" >slide this one only</a>
         </div>
         <div class="newboxes2" id="newboxes2" style="border: 1px solid black; background-color: #CCCCCC; display: none;padding: 5px;">Div #2</div>
      </td>
      <td>
         <div style="border: 1px solid blue; background-color: #99CCFF; padding: 5px;">
            <a id="myHeader3" href="javascript:slideonlyone('newboxes3');" >slide this one only</a>
         </div>
         <div class="newboxes2" id="newboxes3" style="border: 1px solid black; background-color: #CCCCCC; display: none;padding: 5px;">Div #3</div>
      </td>
   </tr>
</table>
<script>
function slideonlyone(thechosenone) {
     $j('.newboxes2').each(function(index) {
          if ($j(this).attr("id") == thechosenone) {
               $j(this).slideDown(200);
          }
          else {
               $j(this).slideUp(600);
          }
     });
}
</script>
